123230001212 has 24 divisors (see below), whose sum is σ = 217130760000. Its totient is φ = 61192759616.

The previous prime is 123230001211. The next prime is 123230001221. The reversal of 123230001212 is 212100032321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123230001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6874253 + ... + 6892155.

It is an arithmetic number, because the mean of its divisors is an integer number (9047115000).

Almost surely, 2^123230001212 is an apocalyptic number.

It is an amenable number.

123230001212 is a deficient number, since it is larger than the sum of its proper divisors (93900758788).

123230001212 is a wasteful number, since it uses less digits than its factorization.

123230001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29605 (or 29603 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123230001212 its reverse (212100032321), we get a palindrome (335330033533).

The spelling of 123230001212 in words is "one hundred twenty-three billion, two hundred thirty million, one thousand, two hundred twelve".